51041789 has 2 divisors, whose sum is σ = 51041790. Its totient is φ = 51041788.

The previous prime is 51041743. The next prime is 51041797. The reversal of 51041789 is 98714015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49589764 + 1452025 = 7042^2 + 1205^2 .

It is a cyclic number.

It is not a de Polignac number, because 51041789 - 2¹⁶ = 50976253 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51041719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25520894 + 25520895.

It is an arithmetic number, because the mean of its divisors is an integer number (25520895).

Almost surely, 2^51041789 is an apocalyptic number.

It is an amenable number.

51041789 is a deficient number, since it is larger than the sum of its proper divisors (1).

51041789 is an equidigital number, since it uses as much as digits as its factorization.

51041789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 51041789 is about 7144.3536446623. The cubic root of 51041789 is about 370.9442378831.

The spelling of 51041789 in words is "fifty-one million, forty-one thousand, seven hundred eighty-nine".